The Hawk 08-13 BMW 135i HPS 5.0 Rear Brake Pads are a high-performance brake pad set designed to provide superior stopping power and fade resistance for your BMW 135i. They feature a 5.0 friction coefficient, which is the highest available, and are designed for heavy-duty use. The pads are made with a combination of ceramic and semi-metallic materials, which provide excellent noise and dust reduction. The pads are also designed to provide maximum performance in both wet and dry conditions.